package com.atguigu.realtime.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * @author chenlongStart
 * @create 2021-07-04 21:27
 * @desc
 */
@Target(ElementType.FIELD)//这个注解只能用在成员变量
@Retention(RetentionPolicy.RUNTIME)//定义注解的保留策略
public @interface NoSink {
}
